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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-12043

Heap double-free in AWS Common Runtime aws-c-http

Description

Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted sequence of HTTP/2 HEADERS frames. To remediate this issue, users should upgrade to aws-c-http version 0.11.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

AWS aws-c-http

Default version status: unaffected

  • 0.4.22 to ≤ 0.10.15affected

References